SMALLER FORAMINIFERA FROM ILLINOIS 



347 



Faunal List and Geologic Range 



Species 



PI. fig. 



Previous known range 



LAGENIDAE 



Chrysaligonium granti (Plummer) 

 Dentalina cf. D. communis (d'Orbigny) 

 Dentalina cf. D. cooperensis Cushman 

 Dentalina pauper ata d'Orbigny 

 Dentalina spira Cooper, n. sp. 

 Lagena laevis (Montagu) 

 Nodosaria latejugata Giimbel 

 Nodosaria spinocostata Cooper, n. sp. 

 Nodosaria cf. N. vertebralis (Batsch) 

 Nodosaria cf. N. zippei Reuss 

 Palmula meglameryae Toulmin 

 Rohulus inornatus (d'Orbigny) 

 Rohulus magnificus Toulmin 

 Rohulus midwayensis (Plummer) 

 Vaginulina gracilis Plummer 

 Vaginulina robusta Plummer 



HETEROHELICIDAE 



RectogUmhelina alabamensis Cushman 

 Siphonogeneroides? eleganta (Plummer) 



ELLIPSOIDINIDAE 

 Ellipsonodosaria lepidula (Schwager) 

 Ellipsonodosaria plummerae Cushman 

 Ellipsonodasaria sagrinensis (Bagg) 

 Ellipsonodosaria spinulosa (Plummer) 



ROTALIIDAE 



Eponides exigua limbata (Plummer) 

 Siphonina prima Plummer 



GLOBIGERINIDAE 



GlohigerincL compressa Plummer 

 Glohigerina triloculinoides Plummer 



ANOMALINIDAE 



Anomalina acuta Plummer 

 Anomalina midwayensis (Plummer) 

 Cibicides alleni (Plummer) 

 Cibicides vulgaris (Plummer) 



54; 16, 27 



Upper Cretaceous — Eocene 



55; 20 



Eocene — Recent 



54; 21 



Eocene 



54; 10 



Jurassic-Recent? 



54; 1, 2 





54; 6, 7 



Eocene-Recent 



55; 24, 25 



Eocene-Oligocene 



54; 11 





55; 14, 15 



Cretaceous-Recent 



55; 18, 19 



Cretaceous 



55; 20, 21 



Paleocene-Eocene 



55; 26, 27 



Eocene-Miocene 



55; 1, 2 



Eocene 



55; 22, 23 



Paleocene-Eocene 



55; 5, 6 



Paleocene 



55; 16, 17 



Paleocene 



55; 3, 4 



Paleocene 



54; 14 



Paleocene 



54; 23 



Upper Cretaceous-Pliocene 



54; 18, 19 



Paleocene 



54; 22 



Paleocene-Pliocene 



54; 20 



Paleocene 



55; 11-13 



Paleocene 



55; 7-9 



Cretaceous-Paleocene 



54; 8, 9 



Paleocene-Eocene 



54; 12, 13 



Paleocene-Eocene 



54; 3-5 



Paleocene-Eocene 



54; 15-17 



Paleocene 



54; 24, 25 



Cretaceous-Paleocene 



54; 28, 29 



Paleocene 



Dentalina communis, Howe and Wallace, 1932, 

 Louisiana Dept. Cons. Geol. Bull. 2, p. 24, 

 pi. 6, fig. 8; Upper Eocene, Louisiana. — 

 ?Cushman and Garrett, 1932, Cushman Lab. 

 Foram. Research Contr., vol. 8, p. 55, pi. 7, 

 figs. 12, 13; Wilcox group. Eocene, Alabama. — 

 ?Cushman and Garrett, 1939, Cushman Lab. 

 Foram. Research Contr., vol. 15, p. 80, pi. 14, 

 figs. 1-3; Wilcox group, Eocene, Alabama. — 

 Toulmin, 1941, Jour. Paleontology, vol. 15, 

 p. 584, pi. 79, fig. 13; Salt Mountain limestone, 

 Alabama. 



Test elongate, slightly tapered, almost 

 straight; sutures somewhat indistinct, in- 

 clined to axis; average diameter, 0.13 mm.; 

 length (5 chambers), 0.39 mm. 



This fragment is referred to this common 

 VVilcox species with some doubt. It is not 



recorded in the Midway of Texas or Ala- 

 bama. 



Dentalina cf. D. cooperensis Cushman 

 Plate 54, figure 21 



Dentalina cooperensis Cushman, 1933, Cushman 

 Lab. Foram. Research Contr., vol. 9, p. 8, pi. 

 1, fig. 17; Upper Jackson, Eocene, southeastern 

 Coastal Plain.— Cushman, 1935, U. S. Geol. 

 Survey Prof. Paper 181, p. 20, pi. 8, figs. 3, 4; 

 Eocene, Southeastern United States. 



Test elongate, compressed, somewhat ta- 

 pered, gently curved, apical end slightly 

 pointed; sutures distinct, only very slightly 

 oblique to axis; wall smooth; apical end 

 pointed; diameter, 0.10 mm., length (6 

 chambers), 0.45 mm. 



